/Engine/Plugins/Runtime/nDisplay/Source/DisplayClusterConfigurator/Public/Views/TreeViews/IDisplayClusterConfiguratorViewTree.h
Register clear hovered tree item delegate
[FDelegateHandle](API\Runtime\Core\Delegates\FDelegateHandle) RegisterOnHoveredItemCleared ( const [FOnHoveredItemClearedDelegate](API\Plugins\DisplayClusterConfigurator\Views\TreeViews\IDisplayClusterC-_2\FOnHoveredItemCl-_1) & Delegate )